Tsunami advisory issued in parts of Alaska after 7.3-magnitude earthquake

Noaa initially issued a tsunami warning in the state's southern coast, which it later downgraded to an advisory

A stretch of Alaska's southern coast was under a tsunami advisory on Wednesday after a strong earthquake was felt throughout the region.

The US Geological Survey described the earthquake as a magnitude 7.3. After the quake, the National Oceanic and Atmospheric Administration issued a tsunami warning, which it later downgraded to an advisory.